Image of question below// //Ancient horses were small, dog-sized animals that lived in wooded areas. During the Cenozoic era, grasslands became more prominent and replaced many of the wooded areas. Around the same time, horse populations gradually evolved to become taller and faster. A modern-day horse is shown in the image above. Which statement best explains this change in horse populations?
A.
Having longer limbs allowed horses to run faster and escape from predators in grassy areas where hiding was more difficult.
B.
Having longer limbs allowed horses to more easily blend in and hide from predators in the new, grassy environment.
C.
Having longer limbs provided a competitive advantage because tall horses could more easily access water.
D.
Having longer limbs provided a competitive advantage because tall horses could more easily access grass.